Footage from dozens of homes shows sleepy, active, howling and fretful dogs. Infrared cameras reveal what is happening inside Bruno the Boxer/Rottweiler cross’s head, while a dog vocalization expert analysis Max the Alsatian’s howling to understand what he’s trying to communicate. Mark Evans, former chief vet at the RSPCA, investigates what it all means for the 21st Century dog owner. He discovers whether new technology, allowing dogs to make phone calls and watch TV, holds the answer to keeping our canine companions happy in the modern British home.